SOLUTION: suppose you receive a shipment of ten televisions. Three of the televisions are defective. If two televisions are randomly selected, compute the probability that both televisions w

Question 674223: suppose you receive a shipment of ten televisions. Three of the televisions are defective. If two televisions are randomly selected, compute the probability that both televisions work. What is the probability at least one of the two televisions does not work?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!

 

Hi,

ten televisions. Three of the televisions are defective.  work

two televisions are randomly selected

 P(both work) =  

P(at least one doesn't  work)  = 1 -  P(both work) = 1 - 21/45 = 24/45 

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